Start pump, and tighten the bolts until leakage is decreased to a tolerable minimum.
启动泵,并上紧螺母直到泄漏量降低至最小允许值。
At about 200mph he will start the pump to deliver the HTP into the rocket.
在大约时速200英里时他将启动为火箭发动机传送htp的泵。
Every time I hear the last call before the show starts, I feel the adrenaline start to pump, probably like how a horse feels before it starts a race.
每当我听到表演开始之前的最后通报,就会觉得肾上腺素开始分泌,大概是像马在比赛开始之前的那种感觉吧。
So you start with the bicycle pump at one bar, let's say, right?
一个大气压,开始?
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